@font-face {
	font-family: 'iconfont';
	src: url('../icons/iconfont.eot');
	src: url('../icons/iconfont.eot?#iefix') format('embedded-opentype'),
		url('../icons/iconfont.woff2') format('woff2'),
		url('../icons/iconfont.woff') format('woff'),
		url('../icons/iconfont.ttf') format('truetype'),
		url('../icons/iconfont.svg#iconfont') format('svg');
}

.head {
	position: fixed;
	z-index: 100;
	width: 100%;
	height: 60px;
	line-height: 60px;
	background-color: #FFFFFF;
	font-size: 18px;
	font-weight: 700;
	box-shadow: 0 2px 5px #EBEBEB;
}

.loGo img {
	width: 50px;
}

@media screen and (max-width: 768px) {
	.bgImg {
		width: 100%;
		height: 400px;
		background: url(../img/show02.jpg) no-repeat center center;
		background-size: auto;
	}

	.service {
		margin: 100px 0;
		font-size: 14px;
		line-height: 50px;
	}

	.service .sev_logo {
		width: 100px;
		height: 55px;
		background: url(../img/logo07.png) no-repeat 0 0;
		background-size: 100px;
	}

	.article {
		text-align: center;
	}

	.article img {
		margin: 50px 0 10px 0;
		width: 136px;
		height: 136px;
	}

	.article span {
		font-size: 18px;
	}

	.picture {
		margin-top: 100px;
		padding: 0;
		width: 100%;
	}

	.picture .row {
		margin: 0;
	}

	.picture .row .col-lg-3 {
		padding: 0;
		overflow: hidden;
	}

	.picture img {
		width: 100%;
		height: 100%;
		transition: all 1s;
	}

	.bottom_logo img {
		width: 60%;
		height: 60%;
	}
}

@media screen and (min-width:769px) {
	.bgImg {
		width: 100%;
		height: 440px;
		background: url(../img/show01.jpg) no-repeat center center;
		background-size: auto;
	}

	.service {
		margin: 100px 0;
		font-size: 24px;
		line-height: 65px;
	}

	.service .sev_logo {
		width: 150px;
		height: 65px;
		background: url(../img/logo07.png) no-repeat 0 -5px;
		background-size: 150px;
	}

	.article {
		text-align: center;
	}

	.article img {
		margin: 50px 0 10px 0;
		width: 136px;
		height: 136px;
	}

	.article span {
		font-size: 18px;
	}

	.picture {
		margin-top: 100px;
		padding: 0;
		width: 100%;
	}

	.picture .row {
		margin: 0;
	}

	.picture .row .col-lg-3 {
		padding: 0;
		overflow: hidden;
	}

	.picture img {
		width: 100%;
		height: 100%;
		transition: all 1s;
	}

	.bottom_logo img {
		width: 60%;
		height: 60%;
	}
}

@media screen and (min-width:993px) {
	.bgImg {
		width: 100%;
		height: 748px;
		background: url(../img/show01.jpg) no-repeat center center;
		background-size: auto;
	}

	.service {
		margin: 100px 0;
		font-size: 32px;
		line-height: 94px;
	}

	.service .sev_logo {
		width: 200px;
		height: 94px;
		background: url(../img/logo07.png) no-repeat 0 -3px;
		background-size: 200px;
	}

	.article {
		text-align: center;
	}

	.article img {
		margin: 50px 0 10px 0;
		width: 136px;
		height: 136px;
	}

	.article span {
		font-size: 18px;
	}

	.picture {
		position: relative;
		margin-top: 100px;
		padding: 0;
		width: 100%;
	}

	.picture .row {
		margin: 0;
	}

	.picture .row .col-lg-3 {
		padding: 0;
		overflow: hidden;
	}

	.picture img {
		width: 100%;
		height: 100%;
		transition: all 1s;
	}
}

.logotu:hover img {
		overflow: hidden;
		transform: scale(1.2);
	}
	
	.logotu:hover .over {
		display: block;
		cursor: pointer;
	}
	
	.over {
		display: none;
		position: absolute;
		top: 0;
		left: 0;
		padding-top: 45%;
		width: 100%;
		height: 100%;
		background-color: rgba(0,0,0,.4);
		font-size: 28px;
		color: #FFFFFF;
		text-align: center;
	}

.bg_logo .row .col-lg-2 {
	margin-top: 80px;
	height: 100px;
	line-height: 100px;
}

.footer {
	margin-top: 100px;
	padding-top: 150px;
	width: 100%;
	height: 420px;
	background-color: #000000;
	text-align: center;
}

.footer span {
	font-family: 'iconfont';
	font-size: 50px;
	color: #FFFFFF;
}

.footer p {
	margin-top: 20px;
	font-size: 18px;
	color: #FFFFFF;
}

.three {
	cursor: pointer;
}

.hid {
	display: none;
	position: fixed;
	z-index: 55;
	width: 100%;
	height: 360px;
	background-color: #FFFFFF;
}

.hid dl {
	padding: 0;
	width: 100%;
	list-style: none;
}

.hid dl dt {
	position: relative;
	padding-left: 15px;
	height: 60px;
	line-height: 60px;
	border-bottom: 1px solid #ebebeb;
	box-sizing: border-box;
}

.hid dl dt img {
	width: 50px;
}

.clo {
	position: absolute;
	right: 10px;
	font-size: 30px;
	cursor: pointer;
}

.hid dl dd {
	width: 100%;
	height: 60px;
	line-height: 60px;
	border-bottom: 1px solid #ebebeb;
	box-sizing: border-box;
	text-align: center;
}
